{"id":"CVE-2024-20440","published":"2024-09-04T16:28:49Z","modified":"2025-04-01T21:47:09Z","title":"A vulnerability in Cisco Smart Licensing Utility could allow an unauthenticated, remote attacker to access sensitive…","vendor":"Cisco","product":"Cisco Smart License Utility","tier":"core","eol":null,"affectedVersions":[{"vendor":"Cisco","product":"Cisco Smart License Utility","versions":["2.1.0","2.0.0","2.2.0"]}],"description":{"text":"A vulnerability in Cisco Smart Licensing Utility could allow an unauthenticated, remote attacker to access sensitive information.\r\n\r\nThis vulnerability is due to excessive verbosity in a debug log file. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to obtain log files that contain sensitive data, including credentials that can be used to access the API.","provenance":"source","from":"CVE.org"},"summary":null,"cvss":{"score":7.5,"severity":"HIGH","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","provenance":"source","from":"CVE.org CNA"},"epss":{"score":0.51897,"percentile":0.98948,"date":"2026-10-29","provenance":"source"},"kev":null,"vulncheckKev":{"dateAdded":"2025-06-07","exploitedFirstSeen":"2025-06-07","ransomware":false,"evidence":[{"url":"https://app.crowdsec.net/cti/cve-explorer/CVE-2024-20440","date":"2025-06-07"},{"url":"https://dashboard.shadowserver.org/statistics/honeypot/vulnerability/map/?day=2025-11-17&host_type=src&vulnerability=cve-2024-20440","date":"2025-11-17"},{"url":"https://dashboard.shadowserver.org/statistics/honeypot/vulnerability/map/?day=2025-11-18&host_type=src&vulnerability=cve-2024-20440","date":"2025-11-18"},{"url":"https://dashboard.shadowserver.org/statistics/honeypot/vulnerability/map/?day=2025-11-19&host_type=src&vulnerability=cve-2024-20440","date":"2025-11-19"},{"url":"https://dashboard.shadowserver.org/statistics/honeypot/vulnerability/map/?day=2025-11-21&host_type=src&vulnerability=cve-2024-20440","date":"2025-11-21"},{"url":"https://dashboard.shadowserver.org/statistics/honeypot/vulnerability/map/?day=2025-11-29&host_type=src&vulnerability=cve-2024-20440","date":"2025-11-29"},{"url":"https://dashboard.shadowserver.org/statistics/honeypot/vulnerability/map/?day=2025-12-14&host_type=src&vulnerability=cve-2024-20440","date":"2025-12-14"},{"url":"https://dashboard.shadowserver.org/statistics/honeypot/vulnerability/map/?day=2025-12-16&host_type=src&vulnerability=cve-2024-20440","date":"2025-12-16"},{"url":"https://dashboard.shadowserver.org/statistics/honeypot/vulnerability/map/?day=2025-12-23&host_type=src&vulnerability=cve-2024-20440","date":"2025-12-23"},{"url":"https://dashboard.shadowserver.org/statistics/honeypot/vulnerability/map/?day=2025-12-26&host_type=src&vulnerability=cve-2024-20440","date":"2025-12-26"}],"evidenceTotal":133,"provenance":"source"},"exploited":true,"otx":{"pulseCount":0,"pulses":[],"provenance":"machine"},"cwes":[{"id":"CWE-532","name":"Insertion of Sensitive Information into Log File"}],"references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cslu-7gHMzWmw","tags":[]}],"techniques":[],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2024-18155","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2024-18155","exploited":false,"exploitedSince":null,"provenance":"source"},"exploits":[],"exploitSources":{"nuclei":[{"id":"CVE-2024-20440","name":"Cisco Smart Licensing Utility UnAuthenticated Logs Exposure Leaking Plaintext Credentials","severity":"high","path":"http/cves/2024/CVE-2024-20440.yaml","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2024/CVE-2024-20440.yaml"}],"provenance":"source"},"exploitRefs":[],"flow":[],"timeline":[{"date":"2024-09-04","kind":"published","label":"Published (CVE.org)","url":"https://www.cve.org/CVERecord?id=CVE-2024-20440","provenance":"source"},{"date":"2025-06-07","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://app.crowdsec.net/cti/cve-explorer/CVE-2024-20440","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":null},"priority":{"score":65.0,"factors":[{"name":"In a KEV catalog","points":35.0,"detail":"listed in VulnCheck KEV"},{"name":"Recent KEV listing","points":0.0,"detail":"added 510 days ago"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":19.79,"detail":"percentile 0.9895"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":5.0,"detail":"1 nuclei template"},{"name":"Mentioned in OTX pulses","points":0.0,"detail":"0 pulses"},{"name":"CVSS severity","points":5.25,"detail":"base score 7.5"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}